Apparatus for forming molten glass in cylindrical form



July 13, 196 c GREEN ETAL 3,194,645

APPARATUS FOR FORMING MOLTEN GLASS IN GYLINDRICAL FORM July 13, 1965 c. GREEN ETAL 3, ,6 5

APPARATUS FOR FORMING MOLTEN G`SS N cYLNDRCAL FORM Filed Ju1y 1. 1961 3 Sheetssheet 2 "vyE-roRj CALVIN GREEN July 13 1965 C GREEN ETAL APPARATUS FOR FORMING MOLTEN GLASS IN cYLNDRcAL FORM Fi1ed Ju1y 31 1961 3 sheesSheet 3 

1. A ROTATABLE MANDREL FOR FORMING MOLTEN GLASS IN CYLINDRICAL FORM COMPRISING A CYLINDIRCALLY-SHAPED FREE END PORTION, SAID FREE END PORTION BEING COMPRISED OF MULTIPLE COMPLEMENTALLY-CONTOURED SEPARABLE COMPONENT PARTS, THE TERMINATING PART BEING COINCIALLY-SHAPED AND THE NEXT ADJACENT PART BEING FRUSTO-CONICALLY SHAPED, MEANS CONNECTING EACH OF SAID COMPONENT PARTS TO SAID BODY PORTION EXTENDING THROUGH THE LATTER, SAID PARTS BEING ADAPTED FOR USE BOTH IN COOPERATION AND IN SUCCESSION FOR FORMING INDIVIDUAL ROD AND TUBULAR PRODUCTS BY DRAWING. 